%0 Journal Article %T Caso radiol¨®gico %A Macedo %A Filipe %J Nascer e Crescer - Revista do Hospital de Crian£¿as Maria Pia %D 2011 %I Scientific Electronic Library Online %X we present a case of an 11 year old girl in whom an x-ray of the vertebral column was performed to investigate back pain. spine x-ray showed spondylolysis and spondylolisthesis at l5-s1. spondylolylis is one of the most common causes of back pain in older children and adolescents. the diagnosis is usually made by x-ray and/or ct. %K spondylolisthesis %K spondylolysis. %U http://www.scielo.gpeari.mctes.pt/scielo.php?script=sci_abstract&pid=S0872-07542011000300012&lng=en&nrm=iso&tlng=en